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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/cocoa/control.mm
3 // Purpose: wxControl class
4 // Author: David Elliiott
5 // Modified by:
6 // Created: 2003/02/15
7 // RCS-ID: $Id$
8 // Copyright: (c) 2003 David Elliott
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #include "wx/wxprec.h"
13
14 #include "wx/control.h"
15
16 #ifndef WX_PRECOMP
17 #include "wx/log.h"
18 #endif
19
20 #include "wx/cocoa/autorelease.h"
21 #include "wx/cocoa/string.h"
22 #include "wx/cocoa/trackingrectmanager.h"
23 #include "wx/cocoa/objc/objc_uniquifying.h"
24 #include "wx/cocoa/objc/NSView.h"
25
26 #import <AppKit/NSControl.h>
27 #import <AppKit/NSCell.h>
28 #import <Foundation/NSException.h>
29
30 #include <math.h>
31
32 IMPLEMENT_ABSTRACT_CLASS(wxControl, wxWindow)
33 BEGIN_EVENT_TABLE(wxControl, wxControlBase)
34 END_EVENT_TABLE()
35 WX_IMPLEMENT_COCOA_OWNER(wxControl,NSControl,NSView,NSView)
36
37 bool wxControl::Create(wxWindow *parent, wxWindowID winid,
38 const wxPoint& pos, const wxSize& size, long style,
39 const wxValidator& validator, const wxString& name)
40 {
41 wxLogTrace(wxTRACE_COCOA,wxT("Creating control with id=%d"),winid);
42 if(!CreateControl(parent,winid,pos,size,style,validator,name))
43 return false;
44 wxLogTrace(wxTRACE_COCOA,wxT("Created control with id=%d"),GetId());
45 m_cocoaNSView = NULL;
46 SetNSControl([[WX_GET_OBJC_CLASS(WXNSView) alloc] initWithFrame: MakeDefaultNSRect(size)]);
47 // NOTE: YES we want to release this (to match the alloc).
48 // DoAddChild(this) will retain us again since addSubView doesn't.
49 [m_cocoaNSView release];
50
51 if(m_parent)
52 m_parent->CocoaAddChild(this);
53 SetInitialFrameRect(pos,size);
54
55 // Controls should have a viewable-area tracking rect by default
56 m_visibleTrackingRectManager = new wxCocoaTrackingRectManager(this);
57
58 return true;
59 }
60
61 wxControl::~wxControl()
62 {
63 DisassociateNSControl(GetNSControl());
64 }
65
66 wxSize wxControl::DoGetBestSize() const
67 {
68 wxAutoNSAutoreleasePool pool;
69 wxASSERT(GetNSControl());
70 /* We can ask single-celled controls for their cell and get its size */
71 NSCell *cell = nil;
72 if([GetNSControl() respondsToSelector:@selector(cell)])
73 cell = [GetNSControl() cell];
74 if(cell)
75 {
76 NSSize cellSize = [cell cellSize];
77 wxSize size((int)ceil(cellSize.width),(int)ceil(cellSize.height));
78 wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from NSCell"),this,size.x,size.y);
79 return size;
80 }
81
82 /* multi-celled control? size to fit, get the size, then set it back */
83 if([GetNSControl() respondsToSelector:@selector(sizeToFit)])
84 {
85 NSRect storedRect = [m_cocoaNSView frame];
86 [GetNSControl() sizeToFit];
87 NSRect cocoaRect = [m_cocoaNSView frame];
88 wxSize size((int)ceil(cocoaRect.size.width),(int)ceil(cocoaRect.size.height));
89 [m_cocoaNSView setFrame: storedRect];
90 wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxControl=%p::DoGetBestSize()==(%d,%d) from sizeToFit"),this,size.x,size.y);
91 return size;
92 }
93 // Cocoa can't tell us the size, probably not an NSControl.
94 wxLogDebug(wxT("Class %s (or superclass still below wxControl) should implement DoGetBestSize()"),GetClassInfo()->GetClassName());
95 return wxControlBase::DoGetBestSize();
96 }
97
98 bool wxControl::ProcessCommand(wxCommandEvent& event)
99 {
100 return HandleWindowEvent(event);
101 }
102
103 void wxControl::CocoaSetEnabled(bool enable)
104 {
105 if([GetNSControl() respondsToSelector:@selector(setEnabled:)])
106 [GetNSControl() setEnabled: enable];
107 }
108
109 /*static*/ void wxControl::CocoaSetLabelForObject(const wxString& label, struct objc_object *aView)
110 {
111 [aView setTitle:wxNSStringWithWxString(GetLabelText(label))];
112 }
113